Tagged Questions

Topographically Integrated Geographic Encoding and Referencing (TIGER) is a series of spatial data releases managed by the US Census Bureau. Many of its smaller area geographic divisions known as Census tracts and blocks are used as a standard in spatial analyses.

How fast should I expect PostGIS to geocode well-formatted addresses?
I've installed PostgreSQL 9.3.7 and PostGIS 2.1.7, loaded the nation data and all states data but have found geocoding to be much ...

I have a geocoder based on Tiger/Line data running on PostGIS. I need to find census block for a given address. How can I do it?
Like I can do for census tract:
SELECT get_tract(ST_Point(-71.101375, ...

I recently compared result of US Census Geocoder(http://geocoding.geo.census.gov/geocoder/) with that of Google Maps. For any given address both of them are giving different set of lat, lon. Why there ...

I want to load a specific county dataset in PostGIS. I can load a state script using:
SELECT loader_generate_script(ARRAY['CA'], 'linux');
However, I want to load dataset only for Los Angeles County ...

I downloaded TIGER2014 from the Census FTP and I was wondering how I would be able to load all the geometries at once.
I learned about loader_generate_script and loader_generate_nation_script but I ...

I am new to Postgis and I don't know if I am doing something wrong with my query, or if there is a problem with the data.
I have been running queries on tiger shape files from the US Census site, I ...

When I geocode an address using PostGIS+TIGER 2013 I get a different city than what Census Bureau Geocoder reports. The Long/Lat are identical in both cases, but the PLACEFP is different although both ...

UPDATE: Solved, sort of … I downloaded the file afresh and tried feeding it through ogr2ogr and topojson again … and wouldn't you know … after a while it worked. I think I was possibly not setting an ...

I am looking at the Tiger 2013 data sets, in particular the Edge, Feature and, Range tables.
It seems that the Edge tables have all the data elements that are in the Feature and Range sets. Is this ...

I have a shapefile from TIGERLine data from the Census website, as well as a spreadsheet from the American FactFinder. I've edited the excel sheet to a 97-2003 workbook, and am now able to bring it ...

I'm trying to build out a geocoder that also returns the correct legislative district information from this data:
http://www.census.gov/geo/maps-data/data/tiger.html
I've got OSM data imported into a ...

I've installed the PostGIS Tiger Geocoder according to these instructions and loaded in data for the state of New York.
Unfortunately, when I try to geocode something...
ny_tiger=# SELECT g.rating, ...

I'm doing a project when I want to compare TIGER 2013 data with the TIGER 2006 data. Essentially, the Census updated the data between 2002-2008, and a number of the counties were updated in the 2006 ...

I'm trying to find the bounding box of US cities but I just can't seem to figure out what to do with the TIGER data I download (not to mention, which data to download!). Could someone experienced with ...

In PostGIS, how can I compute the area of Census Boundaries and obtain the same results as are provided by the Census?
For example, most Census Boundaries include attributes for Land Area and Water ...

I millions of lat,long pairs and I want to convert to FIPS county codes that match with the US census data. In the past I used the census block api but that is too slow for the amount of numbers that ...

Census.gov is down for now. I have a friend who is a teaching a GIS class in the San Francisco bay area and only has so many datasets downloaded for specific projects. Does anyone have a large copy ...

I'm looking into geocoding U.S. locations without using Google or Bing.
I found a service that geocodes according to the Tiger Census data of 2013. I have little knowledge about this Census and didn't ...

I'm looking for an oceans or coastlines shapefile that's a more detailed than what Natural Earth has to offer (1:10m).
I'm working with 2000 Census county shapefiles, but it doesn't cut out lakes or ...

I am trying to open Census tract data, downloaded from http://www.census.gov/geo/maps-data/data/tiger-data.html Every time, I open the file in ArcGIS, the software will return an "serious application ...

Hello everyone! I've been downloading TIGER data per county from the FTP site one at a time, with some states having hundreds of files. I was curious if there was a faster way to download maybe all ...